reorganized integration join specs

1 files changed, 49 insertions, 0 deletions

diff --git a/spec/arel/integration/joins/with_compounds_spec.rb b/spec/arel/integration/joins/with_compounds_spec.rb
new file mode 100644
index 0000000000..49f0132190
--- /dev/null
+++ b/spec/arel/integration/joins/with_compounds_spec.rb
@@ -0,0 +1,49 @@
+require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper')
+
+module Arel
+  describe Join do
+    before do
+      @relation1 = Table.new(:users)
+      @relation2 = Table.new(:photos)
+      @predicate = @relation1[:id].eq(@relation2[:user_id])
+    end
+    
+    describe 'when a compound contains a join' do
+      describe '#to_sql' do
+        describe 'when the compound is a select' do
+          it 'manufactures sql disambiguating the tables' do
+            @relation1                        \
+              .select(@relation1[:id].eq(1))  \
+              .join(@relation2)               \
+                .on(@predicate)               \
+              .select(@relation1[:id].eq(1))  \
+            .to_sql.should be_like("
+              SELECT `users`.`id`, `users`.`name`, `photos`.`id`, `photos`.`user_id`, `photos`.`camera_id`
+              FROM `users`
+              INNER JOIN `photos`
+                ON `users`.`id` = `photos`.`user_id`
+              WHERE `users`.`id` = 1
+                AND `users`.`id` = 1
+            ")
+          end
+        end
+        
+        describe 'when the compound is a group' do
+          it 'manufactures sql disambiguating the tables' do
+            @relation1                \
+              .join(@relation2)       \
+                .on(@predicate)       \
+              .group(@relation1[:id]) \
+            .to_sql.should be_like("
+              SELECT `users`.`id`, `users`.`name`, `photos`.`id`, `photos`.`user_id`, `photos`.`camera_id`
+              FROM `users`
+              INNER JOIN `photos`
+                ON `users`.`id` = `photos`.`user_id`
+              GROUP BY `users`.`id`
+            ")
+          end
+        end
+      end
+    end
+  end
+end
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